(Ruby) Download Unread Email from IMAP Mailbox

Download unread email messages from an IMAP mailbox.

Chilkat Ruby Downloads Ruby Library for Linux and MAC OS X

require 'chilkat'

# This example assumes the Chilkat API to have been previously unlocked.
# See Global Unlock Sample for sample code.

imap = Chilkat::CkImap.new()

# Connect to an IMAP server.
# Use TLS
imap.put_Ssl(true)
imap.put_Port(993)
success = imap.Connect("imap.someMailServer.com")
if (success != true)
    print imap.lastErrorText() + "\n";
    exit
end

# Login
success = imap.Login("admin@chilkatsoft.com","myPassword")
if (success != true)
    print imap.lastErrorText() + "\n";
    exit
end

# Select an IMAP mailbox
success = imap.SelectMailbox("Inbox")
if (success != true)
    print imap.lastErrorText() + "\n";
    exit
end

fetchUids = true

# Find emails marked as seen or not already seen:
seenSearch = "SEEN"
notSeenSearch = "NOT SEEN"

# Get the set of unseen message UIDs
# messageSet is a CkMessageSet
messageSet = imap.Search(notSeenSearch,fetchUids)
if (imap.get_LastMethodSuccess() == false)
    print imap.lastErrorText() + "\n";
    exit
end

# Fetch the unseen emails into a bundle object:

# bundle is a CkEmailBundle
bundle = imap.FetchBundle(messageSet)
if (imap.get_LastMethodSuccess() == false)

    print imap.lastErrorText() + "\n";
    exit
end

# Display the Subject and From of each email.
i = 0
numEmails = bundle.get_MessageCount()
while i < numEmails
    # email is a CkEmail
    email = bundle.GetEmail(i)

    print email.getHeaderField("Date") + "\n";
    print email.subject() + "\n";
    print email.ck_from() + "\n";
    print "--" + "\n";

    i = i + 1
end

# Disconnect from the IMAP server.
success = imap.Disconnect()